Maximally symmetric vector propagator
Maximally symmetric vector propagator
复制标题
最大对称向量传播器
DOI：
10.1063/1.2738361
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发表时间：
2006
影响因子：
1.3
通讯作者：
R. Woodard
中科院分区：
文献类型：
--
作者：
N. Tsamis;R. Woodard
导出了任意维德西特背景下大质量矢量场的传播子。该传播子是德西特不变量，具有适当的平坦时空和无质量极限。此外，从它推导出的迟钝格林函数对测试源产生正确的经典响应。我们的结果用张量基表示，这便于使用量纲正则化进行量子场理论计算。
We derive the propagator for a massive vector field on a de Sitter background of arbitrary dimension. This propagator is de Sitter invariant and possesses the proper flat space-time and massless limits. Moreover, the retarded Green’s function inferred from it produces the correct classical response to a test source. Our result is expressed in a tensor basis which is convenient for performing quantum-field-theory computations using dimensional regularization.